FILE - In a Wednesday, Jan. 25, 2012 file photo, from left; Racial Statistics Branch Chief of the U.S. Census Bureau Nicholas Jones, with panelists National American Indian Housing Council Executive Director Mellor Willie, Navajo Nation Deputy Director of the Washington Office Simon Boyce, National Indian Education Association Executive Director Colin Kippen and National Museum of the American Indian (NMAI) Kevin Gover, present a graph of Native American population during a forum about the American Indian and Alaska native population at the NMAI in Washington. The U.S. Census Bureau is testing new questions on tribal enrollment for the 2020 count in an effort to get a more accurate tally of American Indians. Census director John Thompson told The Associated Press on Tuesday, Nov. 17, 2015, that the agency is aiming to avoid a 5 percent undercount of the population seen in 2010. (AP Photo/Manuel Balce Ceneta, File)

ALBUQUERQUE, N.M. (AP) — The Census Bureau is considering changes to its race and ethnicity questions that would reclassify some minorities who were considered “white” in the past, a move that may speed up the date when America’s white population falls below 50 percent.

Census Director John Thompson told The Associated Press this week that the bureau is testing a number of new questions and may combine its race and ethnicity questions into one category for the 2020 census. That would allow respondents to choose multiple races.

The possible changes include allowing Latinos to give more details about their ethnic backgrounds and creating a new, distinct category for people of Middle Eastern and North African descent.

“We haven’t made any decisions yet,” Thompson said in an interview before his meeting Tuesday with American Indian leaders in New Mexico. “But I don’t think these new questions would diminish anything. It would just give us more information about our diverse populations.”

William H. Frey, a demographer with the Brookings Institution’s Metropolitan Policy Program, says the proposed changes would grant residents more freedom to define their race and ethnicity.

“I don’t know if this will make a huge difference in the 2020 census on whites becoming the minority, but it could later,” said Frey, author of “Diversity Explosion: How New Racial Demographics are Remaking America.”

In the past, “white” was the only racial option available to Arab-American respondents, a classification that didn’t truly reflect their social standing and hurt efforts for their political empowerment in post-Sept. 11 America, said Samer Khalaf, president of the American-Arab Anti-Discrimination Committee.

“If you are going to classify me as white, then treat (me) as white,” Khalaf said. “Especially when I go to the airport. So yeah, it’s inaccurate.”

For years, many U.S. Latinos also checked the “white” box because options were limited, said Lorenzo Cano, associate director of the Center of Mexican American Studies at the University of Houston. But many Latinos are now opting to check “American Indian” to identify with their links to indigenous populations in Latin America.

Overall, “these changes could reduce the number of people who identify as white,” Cano said.

The Census Bureau has estimated that the country’s population will have more minorities than whites for the first time around 2043 or 2044, a result of higher birth rates among Hispanics and a stagnating or declining birth rate among blacks, whites and Asians.

How much the changes could speed up the moment when minorities will outnumber whites is anyone’s guess. Analysts would first have to examine the new data — some of which won’t be comparable to 2010 because of the possible new categories, Frey said.

The proposed changes could present a new set of challenges for the Census Bureau. For example, Dee Ann Alexander, a census tribal specialist, said Mexican-Americans who check the “American Indian” box could deter efforts to get an accurate count of enrolled tribal members living in cities.

“It’s a concern,” Alexander said. “Around 74 percent of Native Americans live in urban areas, and it’s a challenge to search for that population.”

In addition, an aggressive push by the census to include Arab-Americans in the count might lead to more suspicion because many of them fear the federal government, Khalaf said.

“They think it will put them under surveillance,” he said. “They won’t fill (the census) out because they don’t want to be on any list.”

Still, such new questions could give a more accurate assessment of a changing America at a time when 15 percent of all marriages involve couples of difference races, Frey said.

“And who knows how their children will identify,” he said.

Cano said he can see some in the country becoming alarmed at the rapid changes, although it will subside eventually as groups continue to intermarry.

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